Class Context

java.lang.Object

org.refcodes.decoupling.Context

All Implemented Interfaces:

DependenciesAccessor, Diagnosable, Schemable<DiagnosticOptions>

public class Context
extends Object
implements DependenciesAccessor, Diagnosable

The Context describes the components and modules wired together by the Reactor.

Nested Class Summary

Nested classes/interfaces inherited from interface DependenciesAccessor

DependenciesAccessor.DependenciesBuilder<T,B>, DependenciesAccessor.DependenciesMutator<T>, DependenciesAccessor.DependenciesProperty<T>

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Context(Object[] aProfiles)	Empty constructor to be used in conjunction with the initialize(Dependency[]) method!.
	Context(Dependency<?>[] aDependencies, Object[] aProfiles)	Creates the Context with the managed Dependency instances.

Method Summary

Modifier and Type	Method	Description
Dependency<?>[]	getDependencies()	Retrieves the Dependency declarations contained in the Context.
Dependency<?>[]	getDependenciesByProfiles(Object... aProfiles)	Retrieves the Dependency declarations of given profiles managed by this Context, derived from the Dependency Dependency declarations from which the Reactor created this Context.
Dependency<?>[]	getDependenciesByTags(Object... aTags)	Retrieves the Dependency declarations of given tags managed by this Context, derived from the Dependency Dependency declarations from which the Reactor created this Context.
<T> Dependency<T>[]	getDependenciesByType(Class<T> aType)	Retrieves the Dependency declarations of the given type managed by this Context, derived from the Dependency declarations from which the Reactor created this Context.
Dependency<?>	getDependencyByAlias(String aAlias)	Retrieves the Dependency declaration with the given alias managed by this Context, derived from the Dependency Dependency declaration from which the Reactor created this Context.
Dependency<?>	getDependencyByInstance(Object aInstance)	Determines the Dependency element for the given instance created from the Dependency.
<T> T	getFirstByType(Class<T> aType)	Retrieves the first instance of the given type managed by this Context, derived from the Dependency declarations from which the Reactor created this Context.
Object[]	getInstances()	Retrieves the instances managed by this Context, derived from the Dependency declarations from which the Reactor created this Context.
Object[]	getInstancesByAlias(String aAlias)	Retrieves the instances with the given alias managed by this Context, derived from the Dependency declarations from which the Reactor created this Context.
Object[]	getInstancesByProfiles(Object... aProfiles)	Retrieves the instances of given profiles managed by this Context, derived from the Dependency declarations from which the Reactor created this Context.
Object[]	getInstancesByTags(Object... aTags)	Retrieves the instances of given tags managed by this Context, derived from the Dependency declarations from which the Reactor created this Context.
<T> T[]	getInstancesByType(Class<T> aType)	Retrieves the instances of the given type managed by this Context, derived from the Dependency declarations from which the Reactor created this Context.
Object[]	getProfiles()	Retrieves the The profiles which have been applied when creating this Context.
Object	getSingletonByAlias(String aAlias)	Retrieves the instances created by a Dependency having InstanceMetrics with InstanceMetrics.isSingleton() being true (e.g.
<T> T	getSingletonByAlias(String aAlias, Class<T> aType)	Retrieves the instances created by a Dependency having InstanceMetrics with InstanceMetrics.isSingleton() being true (e.g.
Schema	toSchema()

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface Schemable

toSchema

Constructor Details

Context

protected Context(Object[] aProfiles)

Empty constructor to be used in conjunction with the initialize(Dependency[]) method!.

Parameters:

aProfiles - The profiles which have been applied when creating this Context.

Context

public Context(Dependency<?>[] aDependencies,
 Object[] aProfiles)

Creates the Context with the managed Dependency instances.

Parameters:

aDependencies - The Dependency declarations of which the Context consists.

aProfiles - The profiles which have been applied when creating this Context.

Method Details

getProfiles

public Object[] getProfiles()

Retrieves the The profiles which have been applied when creating this Context.

Returns:

The according profiles.

getDependencies

public Dependency<?>[] getDependencies()

Retrieves the Dependency declarations contained in the Context.

Specified by:

getDependencies in interface DependenciesAccessor

Returns:

The Dependency declarations of which the Context consists.

getDependencyByInstance

public Dependency<?> getDependencyByInstance(Object aInstance)

Determines the Dependency element for the given instance created from the Dependency.

Parameters:

aInstance - The instance which's Dependency element creating this instance is to be retrieved.

Returns:

The according Dependency element or null if none Dependency element is responsible for crating the provided instance.

getDependencyByAlias

public Dependency<?> getDependencyByAlias(String aAlias)

Retrieves the Dependency declaration with the given alias managed by this Context, derived from the Dependency Dependency declaration from which the Reactor created this Context.

Parameters:

aAlias - The alias of Dependency declaration to retrieve.

Returns:

The according Dependency declaration managed by this Context.

getDependenciesByType

public <T> Dependency<T>[] getDependenciesByType(Class<T> aType)

Retrieves the Dependency declarations of the given type managed by this Context, derived from the Dependency declarations from which the Reactor created this Context.

Type Parameters:

T - the generic type

Parameters:

aType - The type of Dependency declarations to retrieve.

Returns:

The according Dependency declarations managed by this Context.

getDependenciesByTags

public Dependency<?>[] getDependenciesByTags(Object... aTags)

Retrieves the Dependency declarations of given tags managed by this Context, derived from the Dependency Dependency declarations from which the Reactor created this Context.

Parameters:

aTags - The tags of the Dependency declarations to retrieve.

Returns:

The according Dependency declarations managed by this Context.

getDependenciesByProfiles

public Dependency<?>[] getDependenciesByProfiles(Object... aProfiles)

Retrieves the Dependency declarations of given profiles managed by this Context, derived from the Dependency Dependency declarations from which the Reactor created this Context.

Parameters:

aProfiles - The profiles of the Dependency declarations to retrieve.

Returns:

The according Dependency declarations managed by this Context.

getInstances

public Object[] getInstances()

Retrieves the instances managed by this Context, derived from the Dependency declarations from which the Reactor created this Context.

Returns:

The instances managed by this Context.

getSingletonByAlias

public Object getSingletonByAlias(String aAlias)

Retrieves the instances created by a Dependency having InstanceMetrics with InstanceMetrics.isSingleton() being true (e.g. InstanceMode.SINGLETON_IS_MANDATORY or InstanceMode.SINGLETON_ON_DEMAND) and with the given alias managed by this Context, derived from the Dependency instances from which the Reactor created this Context.

Parameters:

aAlias - The alias of instances to retrieve.

Returns:

The according instances managed by this Context.

getSingletonByAlias

public <T> T getSingletonByAlias(String aAlias,
 Class<T> aType)

Retrieves the instances created by a Dependency having InstanceMetrics with InstanceMetrics.isSingleton() being true (e.g. InstanceMode.SINGLETON_IS_MANDATORY or InstanceMode.SINGLETON_ON_DEMAND) and with the given alias managed by this Context, derived from the Dependency instances from which the Reactor created this Context.

Type Parameters:

T - The type of the instance to be retrieved.

Parameters:

aAlias - The alias of instances to retrieve.

aType - The type of the instance to retrieve.

Returns:

The according instances managed by this Context.

getInstancesByAlias

public Object[] getInstancesByAlias(String aAlias)

Retrieves the instances with the given alias managed by this Context, derived from the Dependency declarations from which the Reactor created this Context.

Parameters:

aAlias - The alias of instances to retrieve.

Returns:

The according instances managed by this Context.

getInstancesByType

public <T> T[] getInstancesByType(Class<T> aType)

Retrieves the instances of the given type managed by this Context, derived from the Dependency declarations from which the Reactor created this Context.

Type Parameters:

T - the generic type

Parameters:

aType - The type of instances to retrieve.

Returns:

The according instances managed by this Context.

getFirstByType

public <T> T getFirstByType(Class<T> aType)

Retrieves the first instance of the given type managed by this Context, derived from the Dependency declarations from which the Reactor created this Context.

Type Parameters:

T - the generic type

Parameters:

aType - The type of instance to retrieve.

Returns:

The according first instance managed by this Context or null if there is none.

getInstancesByTags

public Object[] getInstancesByTags(Object... aTags)

Retrieves the instances of given tags managed by this Context, derived from the Dependency declarations from which the Reactor created this Context.

Parameters:

aTags - The tags of the instances to retrieve.

Returns:

The according instances managed by this Context.

getInstancesByProfiles

public Object[] getInstancesByProfiles(Object... aProfiles)

Retrieves the instances of given profiles managed by this Context, derived from the Dependency declarations from which the Reactor created this Context.

Parameters:

aProfiles - The profiles of the instances to retrieve.

Returns:

The according instances managed by this Context.

toSchema

public Schema toSchema()

Specified by:

toSchema in interface Schemable<DiagnosticOptions>